About the author

Dr. Lorenzoni graduated as Doctor of Veterinary Medicine at Universidad de Chile in Chile, obtained a M.Sc. degree in Animal Science at McGill University in Canada, and a Ph.D. degree in Poultry Science at the University of Arkansas in USA where he also pursued Post-Doctoral training in the field of intestinal health of poultry.

Dr. Lorenzoni is currently based in Austria as Technical Manager for probiotics at Biomin one the leading feed additives manufacturers.

Further information on the book

Contents

• Introduction to Gut Health
• Basic introduction to the anatomy and physiology of the digestive systems
• Immune functions of the gastrointestinal tract
• Modulating the gastrointestinal ecosystem
• Diseases in poultry directly influenced by gut health
• Diseases in poultry indirectly influenced by gut health
• Diseases in humans caused by bacterial infections vectored by poultry
• Conclusions

SECTION ONE: Basic Introduction To The Anatomy And Physiology Of The Digestive System
Basic Introduction to the Anatomy of the Digestive System
Basic Digestive Physiology

• Crop
• Stomach
• Intestine

Bacterial Ecosystems

• Crop and stomach
• Small intestine
• Ceca
• Factors that modify the intestinal microflora

SECTION TWO: Immune Functions Of The Gastrointestinal Tract
Immune Functions of the Gastrointestinal Tract

• Primary Lymphoid Tissue
• Secondary Lymphoid Tissue Anatomically Connected to the Gastrointestinal Tract
• Intestinal Epithelium and Associated Immune Cells

SECTION THREE: Modulating The Gastrointestinal Ecosystem
Available Tools
Antibiotics
References
Probiotics

• Introduction
• Proposed mechanisms
• Probiotic screening
• Choosing the right probiotic
• Defined cultures vs. undefined cultures
• Sporulated vs. non-sporulated probiotics
• Defining the perfect probiotic for poultry

Prebiotics
Acidifiers
Phytogenics (M. Sousa and G. Lorenzoni)

• Mode of action
• Diversity of essential oils
• Further considerations

Yeast fragments

SECTION FOUR: Diseases In Poultry Directly Influenced By Gut Health
Crop Mycosis (Candidiasis)
Necrotic Enteritis
Coccidiosis

• E. acervulina
• E. brunetti
• E. maxima
• E. necatrix
• E. tenella
• E. adenoeides
• E. meleagrimitis

Salmonellosis

• Pullorum disease
• Fowl typhoid
• Paratyphoid disease

Histomoniasis

SECTION FIVE: Non-Specific Enteritis In Poultry
Malabsorption Syndrome
Role of Mycotoxins in Gastrointestinal Health of Poultry (R. Borutova, I. Rodriques and G. Lorenzoni)

• Mycotoxins affect the intestinal mucosa
• Mycotoxins affect nutrient absorption in the intestine
• Mycotoxins affect intestinal secretions
• Pathogen colonization is enhanced by mycotoxins
• Mycotoxins alter intestinal motility
• Bacteria are affected by mycotoxins
• Managing mycotoxins

SECTION SIX: Diseases In Poultry Indirectly Influenced By Gut Health

• Ascites
• Gangrenous Dermatitis (Necrotic Dermatitis)
• Skeletal Defects and Leg Problems a probable Link to Gut Health

SECTION SEVEN: Diseases In Humans Caused By Bacterial Infections Vectored By Poultry
Poultry as a Vector for Campylobacteriosis
Poultry as a Vector for Human Salmonellosis
Poultry as a Vector for Human Listeriosis

• Relation between Listeria in processing plants and poultry
• Listeria as intracellular bacteria
• Infection in poultry

CONCLUSIONS
Index
Acknowledgements

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Delivery

This book weighs: 275g

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